For those of you who like to read about what you are experiencing, I have two recommendations, both of which are available in eBook form.

The 2019 edition of Lonely Planet Peru includes a concise and well researched discussion of each of the sites we will visit plus many more.

Peter Frost’s Exploring Cusco is a thoughtful and accurate discussion not only of the area immediately around Cusco, but of the entire Sacred Valley region, including Machu Picchu. Frost lives in Peru and works with National Geographic expeditions there.